4.9

CVE-2015-7515: linux linux_kernel NULL Pointer Dereference

Modified
AliasesUBUNTU-CVE-2015-7515DEBIAN-CVE-2015-7515
Published 27-04-2016Last modified 06-08-2024

Vulnerability summary

CVE-2015-7515 is a medium (CVSS 4.9) NULL Pointer Dereference vulnerability in linux linux_kernel. EPSS estimates a 1.80% chance of exploitation in the next 30 days, higher than 78.5% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 4.6, physical access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.9/10
010
Medium · v2.0 (NVD)
EPSS score
1.80%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1exploit-database

Advisory lineage

Upstream 0 · Downstream 9 · Related 8

Timeline

  1. 27-04-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The aiptek_probe function in drivers/input/tablet/aiptek.c in the Linux kernel before 4.4 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted USB device that lacks endpoints.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

1.80%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.80% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • exploit-databasedoslinuxUnverified

    Linux Kernel 3.10.0 (CentOS / RHEL 7.1) - 'aiptek' Nullpointer Dereference

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: physical access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu21 products
  • linux< 3.13.0-86.130
  • linux-azureAll versions (No fix recorded)
  • linux-azure-6.11All versions (No fix recorded)
  • linux-azure-fdeAll versions (No fix recorded)
  • linux-azure-fde-5.15All versions (No fix recorded)
Debian1 product
  • linux< 4.4.2-1
Linux1 product
  • linux_kernel< 4.4 | 4.4:rc1 | 4.4:rc2 | 4.4:rc3 | 4.4:rc4 | 4.4:rc5 | 4.4:rc6 | 4.4:rc7 | 4.4:rc8

3 vendors · 23 products

References

31 links
Show all 31 references